CVE-2020-5347 : Vulnerability Insights and Analysis

Dell EMC Isilon OneFS versions 8.2.2 and earlier contain a denial of service vulnerability due to an error condition in SmartConnect. This vulnerability could lead to CPU usage and potential disruption of SmartConnect DNS responses.

Understanding CVE-2020-5347

This CVE involves a denial of service vulnerability in Dell EMC Isilon OneFS versions 8.2.2 and earlier.

What is CVE-2020-5347?

CVE-2020-5347 is a vulnerability in Dell EMC Isilon OneFS versions 8.2.2 and earlier that could be exploited to cause a denial of service by triggering an error condition in SmartConnect.

The Impact of CVE-2020-5347

The vulnerability could result in high CPU usage and potentially disrupt SmartConnect DNS responses, affecting system availability.

Technical Details of CVE-2020-5347

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability in Dell EMC Isilon OneFS versions 8.2.2 and earlier is classified as CWE-400: Uncontrolled Resource Consumption.

Affected Systems and Versions

Product: Isilon OneFS
Vendor: Dell
Versions Affected: < 8.2.2 (unspecified version type)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
Availability Impact: Low
Confidentiality Impact: None
Integrity Impact: None

Mitigation and Prevention

Protect your systems from CVE-2020-5347 with the following steps.

Immediate Steps to Take

Apply security updates provided by Dell promptly.
Monitor CPU usage for any unusual spikes.
Implement network-level protections to mitigate denial of service attacks.

Long-Term Security Practices

Regularly update and patch Isilon OneFS to the latest versions.
Conduct security assessments and audits to identify vulnerabilities.
Educate system administrators on best practices for system security.

Patching and Updates

Ensure timely installation of security patches and updates to address CVE-2020-5347.